220046805 has 24 divisors (see below), whose sum is σ = 416089440. Its totient is φ = 106689120.

The previous prime is 220046803. The next prime is 220046839. The reversal of 220046805 is 508640022.

It is not a de Polignac number, because 220046805 - 2¹ = 220046803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220046803) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 221775 + ... + 222764.

It is an arithmetic number, because the mean of its divisors is an integer number (17337060).

Almost surely, 2^220046805 is an apocalyptic number.

It is an amenable number.

220046805 is a deficient number, since it is larger than the sum of its proper divisors (196042635).

220046805 is a wasteful number, since it uses less digits than its factorization.

220046805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444561 (or 444558 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 220046805 is about 14833.9746865093. The cubic root of 220046805 is about 603.7238816936.

Adding to 220046805 its reverse (508640022), we get a palindrome (728686827).

The spelling of 220046805 in words is "two hundred twenty million, forty-six thousand, eight hundred five".